Security anchor



FIG. 1 is a perspective view of a security anchor showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation thereof, the opposite side elevation being a substantially mirror image of FIG. 3;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevation thereof taken from the left of FIG. 2; and,

FIG. 6 is an end elevation thereof taken from the right of FIG. 2.

The broken line showing in FIG. 3 is for illustrative purposes and forms no part of the claimed design. 

The ornamental design of a security anchor, as shown and described. 